register number R.3.10 Frequency converter for three-phase current motors
data processing short term FU DREHSTROM
standard
equipment
Phase cut-on control (B6 bridge) adapted to the drive motor for the speed variation of three-phase AC motors. Housed in steel sheet cabinet IP54 in acc. with the EMC directives.
Equipped with control devices, main current and/or universal current-sensitive residual current circuit breakers (up to 63 A), on/off push-button switch, volt/ampere meter/rev counter (transmitter at motor) and all contactors and auxiliary relays needed for control and regulation, current filtering chokes, switchgear cabinet heating and ventilation.
Design: square-law characteristic.
register of construction equipment 1991 7530